diff --git a/extras/libmemif/src/socket.c b/extras/libmemif/src/socket.c
index ca24d92..2be40f8 100644
--- a/extras/libmemif/src/socket.c
+++ b/extras/libmemif/src/socket.c
@@ -519,6 +519,7 @@
       mq =
 	(memif_queue_t *) realloc (c->rx_queues,
 				   sizeof (memif_queue_t) * (ar->index + 1));
+	memset(mq, 0, sizeof (memif_queue_t) * (ar->index + 1));
       if (mq == NULL)
 	return memif_syscall_error_handler (errno);
       c->rx_queues = mq;
@@ -538,6 +539,7 @@
       mq =
 	(memif_queue_t *) realloc (c->tx_queues,
 				   sizeof (memif_queue_t) * (ar->index + 1));
+	memset(mq, 0, sizeof (memif_queue_t) * (ar->index + 1));
       if (mq == NULL)
 	return memif_syscall_error_handler (errno);
       c->tx_queues = mq;